Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code

Style and Grammar Checker for 25+ Languages

Statistical Machine Intelligence & Learning Engine

Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.

The metric correlation component of Etsy's Kale system

Automated accessibility (a11y) testing tool, with emphasis on reliablity and automation

Ruby implementation of noncriptographic hash Murmur3 (both native and pure ruby)